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[FSTORE-1938] Support chaining of Transformation Functions using a DAG#580

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manu-sj wants to merge 4 commits into
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manu-sj:FSTORE-1938
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[FSTORE-1938] Support chaining of Transformation Functions using a DAG#580
manu-sj wants to merge 4 commits into
logicalclocks:mainfrom
manu-sj:FSTORE-1938

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@manu-sj manu-sj commented May 18, 2026

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@manu-sj manu-sj marked this pull request as draft May 21, 2026 13:06
manu-sj and others added 4 commits May 23, 2026 20:57
- Add Chained Transformation Functions section to the main TF user guide.
- Add chained examples to the model-dependent and on-demand transformation
  pages.
- New Transformation Functions — Performance Tuning page covering n_processes
  semantics, auto-vectorize behavior, warmup_online_workers, the thread
  safety scope, and a benchmark-derived latency reference.
- Migration guide entry covering the stricter input type validation, the
  deprecated transformation_functions= alias, and the auto-vectorize edge
  case opt-out.
- mkdocs.yml: register the new performance tuning page in the nav so it is
  reachable from the site.
`hopsworks-docs snakeoil` strips trailing blank lines inside fenced
Python code blocks after running the formatter, then checks the
docs tree is clean. Drops the stray blank line before the closing
fence in four of the FSTORE-1938 docs additions so the check
passes. No content change.

Signed-off-by: Manu Sathyarajan Joseph <manu.joseph@logicalclocks.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Remove references to HSFS_DISABLE_PANDAS_AUTO_VECTORIZE and to an
auto-vectorize code path on get_feature_vectors. Neither the env
var nor the auto-vectorize code path exist in the SDK on this
branch, so the docs were promising behavior that does not ship.

Migration page drops the bullet about the env var. Performance
tuning page drops the two-sentence paragraph about batch
auto-vectorization. The rest of both pages is accurate as written.

Signed-off-by: Manu Sathyarajan Joseph <manu.joseph@logicalclocks.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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